From: Axel Kohlmeyer (
Date: Tue Nov 16 2010 - 10:48:32 CST

in addition to that, VMD is interfaced to VRPN for network transparent
tracker support. this is used to interact with haptic devices, for example.
i am not sure, however, if there is a tool suitable for connecting a
head tracker.


On Tue, Nov 16, 2010 at 10:00 AM, Ajasja Ljubetič
<> wrote:
> Hi.
> Perhaps you could achive this through TCL scripting alone?
> Take a look at the rotate_display and view_change_render scripts in the
> script library as well as the translate and rotate commands in the user
> guide. A basic knowledge of TCL scripting here is a must. You can send
> commands to VMD using a TCP socket with the attached script. I use "uplevel
> 1 {my tcl commands}, so that variable definitions and the like persist
> between two sent commands.
> Best regards,
> Ajasja
> On Tue, Nov 16, 2010 at 11:25, Tamás Borsos <> wrote:
>> Hi,
>> first of all I would like to thank You all for your work on this
>> project, because we are using your software regularly for short three
>> dimensional presentations to our students at Lorand Eotvos University,
>> Hungary. I am working at the Faculty of Natural Sciences as a software
>> engineer and we have a large stereoscopic projection system and we are
>> just about to finish the development of our head tracking system,
>> which is already able to measure the position and orientation of the
>> viewers head. This way we will be able adapt the viewpoint of the
>> three dimensional software to the viewpoint of the user.
>> In order to completely interface our system with your software we need
>> to modify it or write an additional module. Would you be so kind to
>> help me find a sophisticated (or maybe easy) way to upload/adjust the
>> cameraposition (world transformation) through an interface to your
>> software?
>> Thank you very much in advance.
>> Regards,
>> Thomas Borsos

Dr. Axel Kohlmeyer
Institute for Computational Molecular Science
Temple University, Philadelphia PA, USA.